1/* 2 * Copyright (C) 2008, 2012, 2013 Apple Computer, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef GeneratorGeneratedImage_h 27#define GeneratorGeneratedImage_h 28 29#include "GeneratedImage.h" 30#include "Gradient.h" 31#include "Image.h" 32#include "ImageBuffer.h" 33#include "IntSize.h" 34#include <wtf/RefPtr.h> 35 36namespace WebCore { 37 38class GeneratorGeneratedImage : public GeneratedImage { 39public: 40 static PassRefPtr<GeneratorGeneratedImage> create(PassRefPtr<Gradient> generator, const IntSize& size) 41 { 42 return adoptRef(new GeneratorGeneratedImage(generator, size)); 43 } 44 45 virtual ~GeneratorGeneratedImage() { } 46 47protected: 48 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator, BlendMode); 49 virtual void drawPattern(GraphicsContext*, const FloatRect& srcRect, const AffineTransform& patternTransform, 50 const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator, const FloatRect& destRect, BlendMode); 51 52 GeneratorGeneratedImage(PassRefPtr<Gradient> generator, const IntSize& size) 53 : m_gradient(generator) 54 { 55 m_size = size; 56 } 57 58 RefPtr<Gradient> m_gradient; 59 OwnPtr<ImageBuffer> m_cachedImageBuffer; 60 IntSize m_cachedAdjustedSize; 61 unsigned m_cachedGeneratorHash; 62}; 63 64} 65 66#endif 67